The comparative analysis of economy for 3 kinds of heat sources (electric boiler with thermal storage, coal-fired boiler and oil-fired boiler) by similar application and technology conditions is made.
对蓄热电锅炉、燃煤锅炉、燃油锅炉这3种适用条件、技术条件近似的热源的经济性进行了对比分析。
The study on the southeast uplift Dehui Depression oil and gas sources, source rock quality and hydrocarbon supplying ability of source rocks etc. hydrocarbon source detailed analysis and research.
此次研究对东南隆起区德惠凹陷的油气来源、源岩质量和烃源岩的供烃能力等烃源条件进行了详细的分析研究。
Then using techniques of biomarkers and isotopic analysis of saturated and aromatic hydrocarbons to determine oil and gas sources and secondary changes;
然后运用饱和烃、芳烃等生物标志化合物以及同位素分析等技术手段，判断油气来源以及经历的次生变化；
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